MINI ES Battery Base Installation Manual - MINIES-B3-R1 - Ultra Green Energy
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Content 1. Introduction .................................................................................................................................1 1.1 Brief description ...............................................................................................................1 1.2 Disoperation predictable .................................................................................................2 1.3 About this manual ............................................................................................................3 1.4 Abbreviations ....................................................................................................................4 1.5 Specification .....................................................................................................................4 2. Safety Requirements .................................................................................................................6 2.1 Responsibilities of the installer ......................................................................................6 2.2 Qualified electrician .........................................................................................................6 2.3 Requirements for the installation location ....................................................................8 2.4 Safety signs on the device........................................................................................... 10 2.5 Basic safety information ............................................................................................... 10 2.6 Other safety instructions .............................................................................................. 13 3. Transporting to the Installation Location ............................................................................. 15 4. Installation ................................................................................................................................ 15 4.1 Safety instructions ........................................................................................................ 15 4.2 Installation site safety check ....................................................................................... 16 4.3 Check the package ....................................................................................................... 17 4.4 Remove the enclosure ................................................................................................. 17 4.5 MINIES battery base fixing .......................................................................................... 17 4.6 Wiring.............................................................................................................................. 23 4.7. Trial operation of device ............................................................................................. 31 4.8 Reassemble the MINI ES ............................................................................................ 39 4.9 Attached list ................................................................................................................... 47 5. Daily Maintenance Methods .................................................................................................. 48 5.1 Common faults .............................................................................................................. 48 5.2 Daily maintenance ........................................................................................................ 48 6. About BYD ............................................................................................................................... 49 I
1. Introduction Dear customer: Thank you very much for purchasing the MINI energy storage base supplied by BYD Auto Industry Company Limited. We sincerely believe that our products meet your needs. We value your feedback on the product performance, appearance and function and we strive to continually improve our product. 1.1 Brief description To meet the 3kW/3kWh household energy storage system (MINI ES) capacity expansion demand, BYD integrated years of development and operation experience launched the 3kW/6.3kWh household energy storage solution: [3kW/3kWh MINI ES] +3.3kWh battery base system. The system highlighted the overall technology advantages of intellectualization and integration, set of BYD Iron-Phosphate Battery, PCS, distributed BMS, monitoring system and other advanced technology, realize remote monitoring through the APP (support iOS and Android system). With high reliability, high safety, high efficiency, energy conservation and environmental protection, etc. Small volume, light weight, easy installation and maintenance. figure1. Installation effect drawing Note: MINIES 3.3kWh battery base is used together with MINIES P30B3-AU-R2, it can be extended to 3kW/6.3kWh MINIES system. 1
Functions Functions of the MINI ES battery base are shown as below: When MINIES 3.3kWh battery base is used with 3kW/3kWh MINIES together, it can extend to be 3kW/6.3kWh MINIES system. When grid power is unavailable, battery base will cooperate with MINIES P30B3-AU- R2 supply power to essential loads, such as computer, phone, TV general lighting, etc. 1.2 Disoperation predictable Battery Battery Parameters Nominal Voltage 25.6V Capacity 75Ah Energy 1.92Wh Mechanical characteristics Thickness 139±2mm Width 189±2mm Length 458.5±2mm Weight <20Kg Electrical characteristics Charge Method CC/CV/CP Charge Current 37.5A (Standard) 75A (Max. Continue Current @ 25℃) Charge Cut-off Voltage 3.60V/Cell Discharge Method CC/CV/CP Discharge Cut-off Voltage 2.80V/Cell Discharge Current 37.5A (Standard) 75A (Max. Continue Current @ 25°C) Any operation of the storage system beyond the description of correct operation may be considered as improper use. The device shall not be operated: In rooms smaller than 8m3 In rooms that contains flammable materials, fire, or in explosive atmospheres In insufficient ventilated rooms under 8-25 m3 In areas with ambient temperature below0℃ above +40℃ 2
Use the battery not authorized by BYD In a damaged house With any batteries other than approved by BYD With defective cables With parts that are clearly defective or damaged 1.3 About this manual Declaration This manual is applicable to the MINI ES battery base (MINI ES-B3-R1). Mainly presentation the functions and attentions in transportation, assembling, installation, commissioning and using of product. This manual is applicable to transportation, assembling, installation and commissioning. Target Readership This manual is intended to be used by the accredited installer. Manual keeping This manual contains important information. Please read this manual carefully before operating and servicing the MINI ES battery base. Please strictly follow the manual instructions when operating the system, otherwise it may cause the product to fail or cause personnel casualty or property loss. This manual shall be stored and safely be accessible on site to the installer and service technician at any time. Alarm signs Please keep several types of safety alarm signs in mind. Familiarize yourself with the messages and the importance of the various signals as explained. Warning instructions identify safety information, which include the following: Warning sign Instructions to denote the level of risk Details of the nature and source of the risk Details of the potential risk if the warning instructions are disregarded Risk management to prevent the danger or personnel casualty or material damage The warning instructions are defined according to the following level of hazards DANGER! Denotes an extraordinarily hazardous situation This warning symbol indicates an immediate danger, which can lead to severe injury or death. 3
WARNING! Denotes a very dangerous situation This warning symbol indicates a potentially dangerous situation, which could lead to severe injury or death. CAUTION! Denotes a dangerous situation This warning symbol indicates a potentially dangerous situation, which could lead to minor injury. NOTICE! Denotes a risk of material damage This warning symbol indicates a situation that could lead to material damage. 1.4 Abbreviations Abbreviation Description APP Application software CT Current transducer DOD Depth Of Discharge SOC State of Charge 1.5 Specification NO. Type MINIES-B3-R1 Remark Battery Parameter Voltage Range: 1 Rated Voltage 51.2Vdc 44.8Vdc~57.6Vdc 2 Battery Type LiFePO4 Max discharge 3 3.7KW power Max discharge 4 65A current 4
NO. Type MINIES-B3-R1 Remark Max charge 5 3.7KW power Max charge 6 65A current Min charge 7 2A current Max output 8 short circuit 247.5Ad.c(peak),1.93ms current Battery At +10℃~+30℃, 9 3.3kWh DC side Capacity discharge at 0.5C Overvoltage 10 Ⅱ categorles OVC Protect Function 11 Short Circuit Protection 12 Under-temperature Protection 13 Over-temperature Protection BMS 14 Under-voltage Protection 15 Over-voltage Protection 16 Over-current Protection Other Parameter Operation 17 5%~95% Humidity 18 Altitude
NO. Type MINIES-B3-R1 Remark Usage Indoor(No Condensation, 30 Environment Freeze, Direct Sunlight) Design Standard Battery 31 UN38.3, AND IEC 62040 Standard 2. Safety Requirements 2.1 Responsibilities of the installer The installer must ensure that: The safety protection equipment of the system is fully functioning Any unclear warning and safety signage on the device shall be replaced immediately Make sure there is no flammable items stored near the device The device shall not be covered at any time The device is required to be placed on a surface that can support the full weight of the unit Transportation, assembling, installation and commissioning of the device shall be carried out by authorized personnel only Transportation, assembling, installation and commissioning of the device shall be carried out only under the specified conditions The authorized installer shall be capable of evaluating the potential risk Only authorized and trained electricians can perform installation, commissioning, and change the settings and connect to the Router Before installation and operation, any potential hazards shall be identified and the necessary risk management should be applied onsite. This manual and safety instructions shall be read and understood by the installer before starting installation Changes are not allowed to the software, housing and components of the device without the manufacturer's approval. Otherwise, the liability and warranty may be invalid. The unit is not allowed to be opened except by authorized and trained electricians. If the seal is broken due to unauthorized modification of the components, the warranty will be invalid. All operators of the energy storage system shall follow the user manual, installation and service manuals and quality guarantee. Any damage to equipment caused by ignoring and misreading the user manual, installation and service manuals and quality guarantee will invalidate the product warranty. 2.2 Qualified electrician Qualification A qualified electrician is a person who possesses the required knowledge, technical 6
training and experience, to conduct the following: Setting up, activating, deactivating, disconnecting, grounding, short-circuiting and repairing electrical circuits and devices. Standard maintenance and use of protective devices defined in the safety standards. Administering first-aid to injured parties. Compliance with local regulations, applicable standards and directives. Battery Maintenance When the device is not used for a long time, discharge the battery to between 45% and 60% of the battery capacity, and disconnect the battery output to avoid the battery power being emptied; When the device is not used for a long time, it is recommended to charge the battery once every six months to ensure that the battery can work normally. Ensure reliable grounding. Battery maintenance must be carried out by professionals or under their direction; When replacing the battery, use the same type and number of batteries or battery packs; Warning: Do not throw the battery into a fire. The battery may explode; Warning: Do not open or damage the battery. The electrolyte flowing out of the battery is harmful to the skin and eyes. The electrolyte may also be toxic; Warning: The battery may cause a shock hazard and a large short-circuit current. When handling the battery, pay attention to the following aspects: a) Remove watches, rings and other metal products; b) Use a tool with an insulated handle; c) Wear rubber gloves and shoes; d) Do not place tools or metal parts on the battery; e) Disconnect the charging power supply before disassembling the battery terminal block; f) Pay attention to whether the battery is inadvertently grounded. If you find that thebattery has been accidentally grounded, remove the power supply from theground. Touching any part of the grounded battery can cause an electric shock. Disconnecting ground during installation and maintenance reduces the probability of electric shock (applicable to equipment without a grounded power supply and remote battery power). g) Do not touch the battery pack with wet hands. h) Do not crush, drop or puncture the battery. i) Always dispose of the batteries according to local safety regulations. j) Store and recharge battery in a manner in accordance with this user manual. k) The charging circuit of inverter shall be DVC A, and the output circuit needs to be isolated from high voltage bus. l) Do not reverse battery polarity m) When storing or transporting the battery, do not stack the battery without protective packaging n) Packaged batteries should not be stacked more than specified number stipulated 7
on the package. All operators of the energy storage system shall follow the user manual, installation and service manuals and quality guarantee. Any damage to equipment caused by ignoring and misreading the user manual, installation and service manuals and quality guarantee will invalidate the product warranty. Responsibilities The electrician shall ensure that: The general information, step-by-step instructions and the safety instructions regarding assembling and installation are read and followed at all times Neither the physical size nor the rated current value of fuses can be changed Before any electrical work is performed, ensure that equipment completely without electricity and suitable measuring equipment shall be used to ensure that the device is in accordance with applicable directives The device shall never be opened during operation 2.3 Requirements for the installation location Always select a suitable location before installation. The installer shall ensure that the installation location meets the following conditions: NOTICE! Material damage due to inadequate ventilation Individual components is not cooling fully as inappropriate or clogged ventilation, will case components aging in advance, this will produce irreversible damage to the device. Ensure full air circulation during the closing operation. • Sufficiently ventilate the installation room • Install all components according to the instructions • Do not stack anything on the device. • Operate the device only when it is closed The installation room environmental requirements The room must be kept dry and enclosed. Protected against penetrating water. Remove irrelevant items. Always install away from highly flammable (e.g. paper) or explosive materials (e.g. fuel, paint) Sufficient ventilation (max humidity of 95%) When the system is running, it will produce a trace of noise, recommended do not install in the bedroom and other living areas, better in the garage, storage room, tool room and other areas where do not affect the users. 8
Room size Room no less than 8.00 m³. Room from 8 to 25 m³: passive or active ventilation is required (at 8 m³: air exchange rate is 12 m³/h). Rooms larger than 25 m³: do not need separate ventilation. Space required. Min. base surface area is 2.00 m² Min. height is 2.00 m Min. depth is 2.00 m Ceiling, ground and wall requirements Ceiling made from non-flammable material Ground capable of supporting the total weight of the device: 153kg (3kW/3kWh system 96kg, 3.3kWh battery base 57kg.) Minimum clearance from the wall is 15 cm figure2. Schematic diagram of the installation gap Temperature and humidity requirements. Room temperature of 0℃ to + 40℃ Max. humidity of 95% Access authority Children shall be accompanied by an adult if they are in the installation room Children shall not operate the storage system 9
Protection grade IP32 2.4 Safety signs on the device Item Description Be aware of dangerous voltage/ electric shock ISO 7000-1641 The product should not be disposed of together with household waste at the end of its life.Please send it to a proper institution for recycle and reuse Point of connection for grounding protection Hot surface IEC 60417-5019(2011-01) IEC 60147-5018(2011-01) Pass CE authentication 2.5 Basic safety information This chapter contains the basic safety instructions. Failure to follow the safety instructions in this manual can result in accidents which can lead to serious injury and/or death, as well as serious components damage. Risk of fatal injury: General 10
DANGER! Risk of fatal injury due to lack of assistance In the event of an accident a second person can switch off the power supply and provide assistance. • Only perform the work if a secondary installer is presented. DANGER! Due to disregard of safety instructions If the safety instructions and/or installation are not followed , the product may be permanently damaged and electrical accidents with serious consequences may occur. • Follow the safety instructions Risk of fatal injury: Inverter DANGER! Risk of fatal injury due to residual voltages The inverter capacitors may still discharge even after the device is switched off. • Ensure external and internal switches are disconnected. • After switching off the device, always wait 10 minutes before direct contact with the unit. • Use a certified multimeter to check if the device is still energized in accordance with applicable guidelines DANGER! Risk of fatal injury from arcing Arcing may occur in the event of faults or if fuses and plugs are not properly connected. • Always use components in accordance with the instructions of the respective manual Risk of fatal injury: Battery 11
DANGER! Risk of injury due to electric shock Batteries can generate significant amounts of short-circuit current due to incorrect operation ,which can cause electric shock and lead to serious injury and/or death. While working with batteries, always remove watches, rings and other metal equipments. Only use tools that have insulated handles Do not place or store tools or other metal objects on the batteries Always disconnect the charging and discharging source first before working on the battery connections Reconnect the unit only after comprehensive check of all connections and terminals, ensure the wiring Is correct. DANGER! Risk of explosion due to using incompatible battery types If other battery types not approved for the device are used, the existing and unapproved batteries may explode. • Only use batteries that have been approved by the manufacture • Check with the manufacturer before installation Risk of injury General WARNING! Risk of injury due to unauthorized installation Installation and commissioning of this storage system requires BYD authorized training and relevant accreditation. Installation, cabling and commissioning must only be carried out by authorized, trained electricians. • The device operating temperature may reach up to 100℃, do not touch the hot surface. After switching off the device, you must wait for 10 minutes before touching any components. 12
WARNING! Risk of injury due to heavy weight The heavy weight of components may cause injury during installation, disassembling, transportation. • Transportation and installation requires a minimum of two people. • Transport the device with appropriate lifting equipment. WARNING! Risk of injury due to incorrect installation procedure If the sequence specified in the instructions is not followed during the installation of the components, this can cause injury or material damage. • Read the installation manual carefully and follow the installation procedure. WARNING! Risk of injury due to sharp edges The components have sharp edges, which can cause injury if they are not handled carefully. • Wear protective equipment. • Install the system with a minimum of two people. WARNING! Risk of incorrect use of the batteries Eye and skin injuries can be caused by opening or damaging the batteries. Never open or damage the batteries • Do not short-circuit the batteries • Do not reverse the polarity of the batteries • Do not overcharge the batteries 2.6 Other safety instructions 13
WARNING! • Climbing on the equipment is prohibited. Please do not pace accessories on or inside the device. • Decomposition, reconstruction, repair of equipment without the manufacture permission is prohibited. • Internal electrical maintenance of equipment by any non-professional is prohibited. When maintenance is needed, please contact the authorised provider. • Blocking the ventilation of the device is prohibited. • Do not put any objects inside the equipment. • Do not touch, pull or cut off the internal cables coming from the device. • Do not place heat source near the device (such as electric furnace and other heating equipment). • Do not wipe the device with a damp cloth or chemicals (such as detergent). • Do not pull the power cord of the device. • Do not set the device close to any high frequency machines, wireless machines, radio, television or the electrical equipment which will disturb signals. • Do not apply heavy impact or tilt the device. • Do not spray any liquid on equipment. • Do not install the device in areas with electrostatic charge or noise. • The essential loads will experience a short period blackout (less than 5 seconds) when grid drop off before MINIES supplying power. • Please do not connection medical equipment to essential loads as MINIES is not a UPS device. • When the device itself or parts are damaged, do not attempt to repair or move the device, consult a suitably qualified installer. NOTICE! • Avoid direct contact with the device during severe weather condition. • The device is prohibited to use for medical equipment. • If equipment appears deformed, broken or has abnormal sounds or smells, please contact BYD authorised service provider immediately. • If equipment malfunctions or cannot run normally, please contact the authorised service provider immediately. • Keep minimum space requirements for inspection and service. • If regular maintenance is needed, please contact BYD authorised service provider. • If the device is not used for a long time, please keep the system fully charged. • When the device needs to be relocated, please contact BYD authorised service provider. • This equipment is limited to indoor installation, please do not install outdoors. • This product is limited to use in Australia, If there is any other special requirements, please contact the manufacture for prior approval. 14
3. Transporting to the Installation Location WARNING! Risk of injure due to heavy weight The weight of the components may cause injury during installation, disassembling and transportation. • Please remove tripping hazard before installation. • Transport and install the components with a minimum of two people. • Transport the device with a appropriate lifting device. WARNING! Material damage caused by condensation If the device is moved from a cold environment to the installation location, condensation may occur and cause damage to the electronics. • Only transport the device at temperature between 0 °C to +50 °C. • A maximum relative humidity of 95% (non-condensing) • Before commissioning, the device must be in a dry condition. CAUTION! Material damage due to crash Electronic equipment can be damaged due to improper transportation. • Be gentle and careful during transportation and installation. 4. Installation 4.1 Safety instructions WARNING! Risk of injury due to lack of experience Installing and commissioning the storage system requires training, as well as accreditation. • Installation, wiring and commissioning must only be carried out by authorised, trained electricians 15
WARNING! Risk of injury due to incorrect installation procedures If the sequence specified in the instructions is not followed during the installation of the components, this can cause injury or material damage. • Read the installation manual carefully and follow the installation procedure. WARNING! Risk of injure due to heavy weight The weight of the components may cause injury during installation, disassembling and transportation. • Please remove tripping hazard before installation. • Transport and install the components by minimum two people. • Transport the device with appropriate lifting device. DANGER! Risk of injury due to electric shock Batteries can generate significant amount of short-circuit current due to incorrect operation ,which can cause electric shock and lead to serious injury and/or death. While working with batteries, always remove watches, rings and other metal equipments. Only use tools that have insulated handles Do not place or store tools or other metal objects on the batteries Always disconnect the charging and discharging source first before working on the battery connections Reconnect the unit only after comprehensive check of all connections and terminals and ensure the wiring is correct. 4.2 Installation site safety check Refer to section 2.3 “Requirements for the installation location” to select the installation location. Ensure the grid is disconnected before installation. DANGER! Risk of injury due to electric shock • Ensure the grid is disconnected to the electrical circuit board before installation. 16
4.3 Check the package The MINI ES battery base has been carefully inspected and packed before dispatch. But it is still possible it may be damaged during transportation. DANGER! If the external package has been damaged, it is possible the device or the internal components have also be damaged during the transportation. • Make a record and check the packing list carefully after removing the external package. • If the component is lost or damaged, the customer has the right to reject or ask the service provider for replacement. 4.4 Remove the enclosure Check out the packing list The MINI ES is enclosed in a wooden case which includes other goods to be delivered. It is forbidden to open the wooden case during transportation to the installation site. If components are lost or damaged, the customer has the right to reject or ask for a replacement. The packing list is shown as below: Number Item Quantity Description 1 MINI ES battery base 1 2 User Manual 1 3 Factory Inspection Report 1 4 Certificate of Qualification 1 5 Fittings for Cabinet 1 Cables, Cable protective cover combination connecting NOTICE! • Confirm the MINI ES battery base model number you received is in accordance with the one you ordered. • Please keep all components well. 4.5 MINIES battery base fixing Installation of MINI ES 3kWh/3kW &MINI ES battery base Unpacking steps Buckles are shown as below: 17
The base is fixed on the ground,shown as below. Lift the device into the position above the expansion bolts, make sure the bolt holes on the device corresponding with the bolts on the MINI ES battery base, shown as below. 18
figure3. Place the 3kW/3kWh MINI ES on the battery base The left and right side panels of MINI ES 3kW/3kWh shall be removed before fixing the bolt. The procedure is as follows Identify the six screws on the left side, the left three screws (Near the wiring interface side) need to be removed with Philips head screwdriver, the right three don't need to be completely removed, just had them loosen. The direction of rotation as shown. figure4. Remove side cover Firstly slid down the side cover, then pull out from left side , as shown 19
figure5. Remove side cover Disconnect the grounding cable which is on the bottom of the left side cover, shown as below: figure6. Remove grounding cable Identify the six screws on the right side, the right three screws (Near the wiring interface side) need to be removed with Philips head screwdriver, the left three don't need to be completely removed, just had them loosen. The direction of rotation as shown. 20
figure7. Remove side cover Firstly slid down the side cover, then pull out from right side , as shown figure8. Remove side cover Disconnect the grounding cable on the right side cover, shown as below: 21
figure9. Remove grounding cable figure10. Two side panels are removed At the bottom of MINIES 3kW/3kWh and battery base, there are nut holes with a protective cover for convenient fixing at the top of the fixed bolt. Remove the protective cover and use a spanner (M14) to fix the nut (M8) and the torque standard is 20N/m. figure11. Fixing the system Using a spanner fixing the screws from the side 22
figure12. Fixing the system NOTICE! Be careful not to break the paint of the MINI ES when installing the bolts, otherwise it may causes the surface of the MINI ES to rust. 4.6 Wiring The side panel of the MINI ES 3kW/3kWh and battery base shall be removed before wiring. The MINI ES 3kW/3kWh side panel removal steps please refer to 4.6.Wiring order Remove the side panels of MINI ES battery base. Remove the right side panel: Identify the four screws on the right side which need to be removed with Philips head screwdriver. After removing the screws, it is advisable to remove the right side panel. 23
figure13. Remove the right side panel Note: After removing the right side panel, the battery circuit breaker within the battery base can be seen. Before any internal operation, the battery breaker must be disconnected. figure14. Disconnect the battery circuit breaker Remove the left side panel: Identify the four screws on the left side which need to be removed with Philips head screwdriver. After removing the screws, it is advisable to remove the left side panel. 24
figure15. Remove the left side panel figure16. Remove the cable protection knobs Firstly remove the cable protection knobs of MINI ES 3kW/3kWh & MINI ES battery base before wiring. 25
figure17. Installation diagram of cable Before wiring, the cable must pass through the cable protection knobs first, then slightly fixed, no need to tighten. Note: There are three cable protection knobs should cooperate to install the fixing frame of cable protective cover. Details as below figure18. Install the fixing frame of cable protective cover 26
figure19. Fixing the fixing frame of cable protective cover MINES(Battery Energy System) T KM1 KM3 Battery1 + KM4 - L KM5 GRID N K0 fuse H PE KM2 PE + Battery2 - L N LOAD MINES(BASE) KM1 - Battery1 + K1 fuse KM2 + Battery2 - figure20. Wiring diagram K0/K1: Battery breaker. Type: NDB3-100-Z2-F100/1MUL1A0; Nominal Voltage: 80Vdc, Nominal Current: 100A,Capacity of circuit breaker: 7500A,Number of poles: 1 KM1/KM2: MINI ES 3kW/3kWh KM1 and KM2 are used to control the connection of the battery to the pcs. MINI ES battery base KM1 and KM2 are used to control the connection between the MINI ES battery base and MINI ES 3kW/3kWh. 27
Wiring according to the interface definition in figure21, figure22, and in accordance with 28
the defined hole position to insert the corresponding cable. + ① - + ② - ③ B A RS485#1 ④ RS485#2 B A ⑤ CAN ⑦ CT3 TCP/IP ⑥ ⑧ CT2 black white MINI ES ⑨ black CT1 white Electrical 13 adapter GRID PE GND of MINIES enclosure board ⑩ AC L PORT N PE LOAD AC 11 PORT N L figure21. Internal interface instruction of MINI ES 3kW/3kWh Number Name Description ④ RS485#2 Remote control interface ⑥ TCP/IP Ethernet port, connect to the customer’s router ⑧ CT2 Port for PV inverter’s connection ⑨ CT1 Port for grid CT’s connection Connect to the circuit breaker on the general ⑩ GRID AC PORT distribution board. Connect the earthing cable to the shell of the MINI ES Connect to the circuit breaker on the essential 11 LOAD AC PORT distribution board 13 Earthing PE connect with the external cover of the MINI ES Reserved interfaces ① DC+/ DC- Reserved ( BYD authorized products can access) ② 12V power Reserved ( BYD authorized products can access) 29
Number Name Description ③ RS485#1 Reserved ( BYD authorized products can access) ⑤ CAN Reserved ( BYD authorized products can access) ⑦ CT3 Reserved ( BYD authorized products can access) figure22. Internal interface instruction of MINI ES battery base No. Item Remark ① CAN1 Reserved ( BYD authorized products can access) ② 12V POWER MINI ES Battery base 12V POWER interface ③ CAN MINI ES Battery base communication interface ④ DC1+ MINI ES Battery base positive interface ⑤ DC2+ Reserved ( BYD authorized products can access) ⑥ DC1- MINI ES Battery base negative interface ⑦ DC2- Reserved ( BYD authorized products can access) 30
DC+ DC- 12V CAN PE figure23. Total wiring diagram Cable Name Specification Remark DC+ RED,5AWG Cable are factory configured DC+ BLACK,5AWG 12V RED:12V+,BLACK :12V-, 22AWG CAN Double core shielded wire PE Yellow-green line,5AWG Close the breaker After finishing all the connections, comprehensively check and ensure cables are well connected. Then close the MINI ES 3kW/3kWh &MINI ES battery base breaker. Shown as below: 31
figure24. the position of circuit breaker on MINI ES battery base NOTICE! • Please ensure wago connectors are not under strain to avoid bad connection. A comprehensive checking is required after completing the connection. 4.7. Trial operation of device Check before trial operation Please refer to chapter 4.3 in the MINI ES 3kW/3kWh installation manual check before operation. Supply power and start CAUTION! Before startup the System, the installer need to disconnect the circuit breaker and carry out the following inspection: • Double check and make sure the connection is correct according to the manual instruction. • Ensure that MINI ES3kW/3kWh and MINI ES battery is fixed tightly DANGER! Risk of short circuit Incorrect wiring may cause short circuit. Short circuit test shall be performed before system commissioning. Only close the MINI ES circuit breaker on grid supply to system. Press “Power” button for 10s, and start the system Note: Long press "POWER" button for about 5seconds, "power" lamp ring light ( press the 32
"power" button for about 10 seconds, "power" lamp ring turn off, system shutdown.) It’s a normal phenomenon that during the start-up process that "power" for "local" "remote" lamp ring will flicker at the same time when waiting for circle power lamp ring light. After “POWER" lamp ring light, “POWER” indicator light flashes around 1-2 minutes, this is a normal phenomenon that self-test process during the system start-up time. After self- inspection ended, “POWER" and "LOCAL" indicator lights will keep lighting, then the system is completed start-up. Check “POWER” “LOCAL” indicator light; Normal condition: “POWER”indicator light is always on, at the same time“LOCAL” indicator light is always on. Display as follow. REMOTE LOCAL POWER figure25. Normal state Fault state: "POWER" indicator light is flashing. (MINI Battery base and MINI ES 3kW/3kWh did not connect successfully) "LOCAL" indicator light is flashing. (Not connect to grid or no electricity power from grid) Record results are as follows: Configure MINI ES 3kW/3kWh &MIINI ES battery base CAUTION! • work can be carried out only after the wiring of MINI ES 3kW/3kWh and MINI ES battery base finished. • Ensure that the circuit breaker of MINI ES 3kW/3kWh and MINI ES battery base have been closed and the system start-up before configuration. Note: More information can be viewed "MINIES monitoring software using manual" After the completion of the MINIES external wiring work, start-up the MINIES, and use the monitoring software provided by BYD to configure MINIES figure26. Monitoring software icon Double-click the icon to open the MINIES monitoring software. 33
figure27. Monitoring software startup page After the success of the software initialization into the 【main interface】, at the same time serial port configuration window Popup: figure28. Serial port configuration window Confirm that the UT-850 converter has been connected to the computer and MINIES. Choose UT-850 actual occupation port of COM, set up the station address (slave 34
address) 4, baud rate 9600 b and other data default, click on "open serial port", then you can open the serial communication. If the communication parameters are not configured properly, or the converter is connected with problem, the interface will pop up prompt box that the communication timeout, please double check the communication parameter configuration or the converter line connection. figure29. Communication timeout prompt box figure30. MINI ES monitoring software main interface Click on the "users" - "login" in the menu bar, 35
figure31. User login interface Only after the user login that the configuration of MINI ES 3kW/3kWh &MINI ES battery base can be proceeded. Click on “Control” on the upper left corner of the select page, and choose the “Parameter Config” in the drop-down menu. figure32. Set the BECU number figure33. Select “Parameters config” Set the number of BECU to 2, keep other parameters to the factory default parameters. 36
figure34. Set the BECU number to 2 After finish the configuration, need shutdown MINI ES, and disconnect the circuit breakers of MINI ES 3kW/3kWh and MINI ES battery base. After completing the closing action, once again closed the circuit breakers of MINI ES 3kW/3kWh and MINI ES battery base, and restart the system. Then re-enter into the BECU configuration interface, if the number of BECU display is 2, the configuration is successful. And check the “Group Status” on the home page, if the status display b00000001, said that currently only MINI ES 3kW/3kWh merged. If the status display b00000010 said that only MINI ES battery base merged currently; if the status display b00000011 said MINI ES 3kW/3kWh and MINI ES battery base has been successfully incorporated. 37
figure35. Check the “Group Status” Check running information of MINI ES 3kW/3kWh and MINI ES battery base. Enter the “Debugging” interface, click on “Debug Advanced” at the bottom right corner, set the number of PCS to 1, BECU number to 2 and click “Confirm”. figure36. Set the PCS and BECU number After completing the above configuration, enter the “info Device”, you can view the running information of MINI ES 3kW/3kWh and MINI ES battery base. 38
figure37. Check the MINI ES 3kW/3kWh running information figure38. Check the MINI ES battery base running information If there are special changes needed, please contact BYD authorized engineer or agent. If the software used is not consistent with the software in the manual, please contact BYD and ask for the latest version of the software. Failure List Register Register Defination Maintenance Methods Address 3007 bit0:battery discharge is over current System automatic protect , clear fault after stop bit1:battery charge is over current System automatic protect , clear fault after stop bit2:battery low voltage Charge battery externally bit3:battery severe high voltage Replace battery 39
bit4:battery high voltage Wait battery self-discharge bit5:battery severe low voltage Replace battery bit6:disconnection of sampling line Check sampling line and replace it bit7:discharge when low voltage System automatic protect , clear fault after stop bit8:voltage sample line abnormal Check sampling line and replace it bit9:current sample abnormal Check sampling line and replace it bit10:battery abnormal Check sampling line and replace it bit11:precharge depression Check prefilled resistance and replace it 2011 bit0:control current overload 100% bit1:control current overload 110% bit2:control current overload 150% bit3:control current overload 200% bit4:control current overload 220% bit5:control current overload 300% bit6:transient current overload 300% bit7:grid current overload bit8:locking wave error bit9:drift error bit10:grid voltage drift error bit11:control current drift error bit12:contravariant current drift error bit13: grid current drift error bit14:PDP protect bit15:hardware protect 4.8 Reassemble the MINI ES Before reassemble the MINI ES, please make sure the grid supply has been disconnected by the circuit breaker, turn off the system and had CT removed. Running again after cleaned up the site, then reclose CT. Install left and right side covers of MINI ES 3kW/3kWh and battery base DANGER! • Before installing sideboard, please make sure the energy storage system has already been turned off and deenergised. Before install the left side panel, connect the grounding cable which is on the bottom of the left side cover, shown as below: 40
figure39. Install grounding cable at left side When installing left side cover, firstly move to the right and then move upward, make sure the holes are aligned, then can fasten side cover. figure40. Install left side board Then tighten six screws(related tool: Phillips head screwdriver) 41
figure41. Install left side board Before install the right side panel, connect the grounding cable which is on the bottom of the left side cover, shown as below: figure42. Install grounding cable at right side When installing right side cover, firstly move left and then move upward make sure the holes are aligned, then can fasten side cover. 42
figure43. Install right side board Then tighten six screws(related tool: Phillips head screwdriver) figure44. Install right side board 43
figure45. Install left side board of battery base figure46. Install right side board of battery base Fixing the cable protective cover of electrical connection hole The cable protective cover of MINI ES 3kW/3kWh and the battery base in the following figure must be fixed tightly (related tools: spanner). 44
WARNING! In order to prevent water and small insect from entering the internal system, what’s more ,to prevent the internal cables of the system from bearing too much tension, the cable protective cover of electrical connection hole cover must be fixed firmly. figure47. Fixing the cable protective cover figure48. Diagram of electric connection holes’ location 45
figure49. Install the cable protective cover figure50. Fixing the frame of the cable protective cover 46
figure51. The effect picture after installation is completed Clean up the site. Clean out rubbish and packing on site Clean up the room and clean out the rubbish generated during installation. Start operation Close all related circuit breakers, the system will be switched on, then the system will automatically run; and then inform the customer that installation is complete. Daily maintenance 1. Do not block the product inlet / outlet. The inlet and outlets should be cleaned every six (6) months. 2. When the product is likely to sit idle, please ensure that the product has sufficient battery power. (Via long press "LOCAL" and "REMOTE" 2 buttons for charging the battery. Once fully charged, the product will automatically shut down. Then turn off the power grid connecting to the MINI ES). 47
NOTICE! Beyond the prescribed time limit or not in accordance with the requirements of operation, may cause the risk of battery over-discharge. This kind of damage to battery is beyond the scope of warranty. • When the product is likely to sit idle, please operate in accordance with the content step2 in "Daily maintenance" . Once fully charged, placement time shall not exceed 6months • As system do not access to the grid resulting in automatic shutdown, product placement time shall not exceed 1 months. 4.9 Attached list Tool list No. Tool name Tool type Functions 1 Stanley knife 2 Phillips head screwdriver 3 Flat-bladed screwdriver 4 Small flat-bladed screwdriver CT terminal 5 Spanner M14 Fix anchor bolts 6 Electric drill and drill bit NO.10 drill Punch anchor bolts 7 Hammer 8 Long-nose pliers 9 Wire strippers 10 Wire crimpers 11 Crimping modular plier 12 Multi-meter 13 Adjustable wrench 14 Scissors 15 Tape Other auxiliary tools that might be used (for example: All installation 16 Insulating gloves, insulating process shoes, insulating tape, etc.) 48
5. Daily Maintenance Methods 5.1 Common faults Common faults Operation methods MINI ES can’t start Please check the battery circuit breaker closed or not (licensed technician required). MINI ES has no power Please check batteries state of charge via APP, it might be output too low. Essential load can’t work 1. Please check the important load distribution box circuit normally breaker. 2. Please check the essential load rating to determine if it exceeds 2kVA or not. 3. Please check the state of charge. APP can’t read data Please check the product network connections. The MINI ES sends power Please contact your service agent. to the grid Others If the product is unable to recover, please contact the supplier or local service centre. 5.2 Daily maintenance 1. Do not block the product inlet / outlet. The inlet and outlets should be cleaned every six (6) months. 2. When the product is likely to sit idle, please ensure that the product has sufficient battery power. (Via long press "LOCAL" and "REMOTE" 2 buttons for charging the battery. Once fully charged, the product will automatically shut down. Then turn off the power grid connecting to the MINI ES). NOTICE! Beyond the prescribed time limit or not in accordance with the requirements of operation, may cause the risk of battery over-discharge. This kind of damage to battery is beyond the scope of warranty. • When the product is likely to sit idle, please operate in accordance with the content step2 in "Daily maintenance" . Once fully charged, placement time shall not exceed 6months • As system do not access to the grid resulting in automatic shutdown, product placement time shall not exceed 1 months. 49
6. About BYD For any assistance about BYD product, please contact BYD by: Electric Power Research Institute BYD Auto Industry Company Limited NO.3009, BYD Road, Pingshan, Shenzhen, 518118, P.R.China Tel:+86 0755-89888888 – 64186 50
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